Crossword Genius

Struggling onward, we gradually overcome resistance (4,4)

Ross

I believe the answer is:

wear down

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'struggling onward we gradually overcome resistance' is the definition.
I can't tell whether this defines the answer.

'struggling onward we' is the wordplay.
'struggling' indicates an anagram (the letters struggle or wriggle into a new form).
'onward'+'we'='onwardwe'
'onwardwe' anagrammed gives 'WEAR DOWN'.

Can you help me to learn more?

(Another definition for wear down that I've seen is " Gradually erode".)

I've seen this clue in The Times.
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